<template>
  <div>
    <div class="search">
      <input v-model="keyword" class="search-input" type="text" placeholder="输入城市名或拼音" />
    </div>
    <div
      class="search-content"
      ref="search"
      v-show="keyword"
    >
      <ul>
        <li
          class="search-item border-bottom"
          v-for="item of list"
          :key="item.id"
          @click="handleCityClick(item.name)"
        >
          {{item.name}}
        </li>
        <li class="search-item border-bottom" v-show="hasNoData">
          没有找到匹配数据
        </li>
      </ul>
    </div>
  </div>
</template>

<script>
	import { mapMutations } from 'vuex'
import Bscroll from 'better-scroll'
export default {
  name: 'CitySearch',
  props: {
    cities: Object
  },
  data () {
    return {
      keyword: '',
      list: [],
      timer: null
    }
  },
  computed: {
    hasNoData () {
      return !this.list.length
    }
  },
  watch: {
    keyword () {
      if (this.timer) {
        clearTimeout(this.timer)
      }
      if (!this.keyword) {
        this.list = []
        return
      }
      this.timer = setTimeout(() => {
        const result = []
        for (let i in this.cities) {
          this.cities[i].forEach((value) => {
            if (value.spell.indexOf(this.keyword) > -1 || value.name.indexOf(this.keyword) > -1) {
              result.push(value)
            }
          })
        }
        this.list = result
      }, 100)
    }
  },
  methods: {
    handleCityClick (city) {
    	// this.$store.commit('changeCity',city)
    	this.changeCity(city)
    	this.$router.push('/')
    },
    ...mapMutations(['changeCity'])
  },
  mounted () {
    this.scroll = new Bscroll(this.$refs.search)
  }
}
</script>

<style scoped lang="scss">
	@import "~@/styles/varibles.scss";
.search{
	box-sizing: border-box;
	width: 100%;
	height:0.72rem;
	padding:0 .1rem;
	background:$bgColor;
	.search-input{
		box-sizing: border-box;
		width: 100%;
		height:0.62rem;
		line-height: .62rem;
		text-align: center;
		border-radius: .06rem;
		padding:.1rem;
		color:#666;
	}
}
.search-content{
	z-index: 1;
	overflow: hidden;
	position: absolute;
	top: 1.58rem;
	left: 0;
	right: 0;
	bottom: 0;
	background: #eee;
	.search-item{
		line-height: .62rem;
		padding-left: .2rem;
		background: #fff;
		color: #666;
	}
}
</style>
